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The Evolution and History of HP Calculator
A video showing the evolution and history of HP calculators over the years.
Sources:
1). https://en.wikipedia.org/wiki/Compari...
2). https://en.wikipedia.org/wiki/HP_calc...
Music:
Instant Crush Corbyn Kites
Apolllo Patrick Patrikios
![Every Maker Should Have [Pt.40]...an HP15C, HP35S or a Casio fx61F](https://i.ytimg.com/vi/6wlNZ_KYQUQ/mqdefault.jpg)
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